CN118602605B - A geothermal heat well - Google Patents
A geothermal heat well Download PDFInfo
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- CN118602605B CN118602605B CN202410850869.9A CN202410850869A CN118602605B CN 118602605 B CN118602605 B CN 118602605B CN 202410850869 A CN202410850869 A CN 202410850869A CN 118602605 B CN118602605 B CN 118602605B
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- geothermal energy
- well body
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 135
- 230000007246 mechanism Effects 0.000 claims abstract description 82
- 238000000605 extraction Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims description 42
- 238000004321 preservation Methods 0.000 claims description 35
- 238000005086 pumping Methods 0.000 claims description 34
- 238000007599 discharging Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000007790 scraping Methods 0.000 description 28
- 239000000428 dust Substances 0.000 description 9
- 238000009413 insulation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/181—Construction of the tank
- F24H1/182—Insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0042—Cleaning arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T2010/50—Component parts, details or accessories
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本发明涉及地热能提取设备技术领域，其目的是提供一种地热能取热井。这种地热能取热井可以实现杂质清理，避免内部堵塞，保证取热井的正常工作。上述地热能取热井包括：井体、换热器、管道组件和除垢组件，换热器设置于井体，一端位于井体的空腔，另一端伸出井体外；管道组件设置于井体，包括进水管和出水管，进水管伸入空腔，向空腔供给冷水，出水管伸入空腔，用于将热水排出；除垢组件包括回转机构和刮板机构，回转机构设置于井体，多个刮板机构设置于回转机构上，回转机构用于带动刮板机构转动将空腔壁面的污垢刮掉。本发明解决了现有技术中的地热能取热井不能对积累的杂质进行清理，导致内部出现堵塞现象，影响取热井的正常工作的问题。
The present invention relates to the technical field of geothermal energy extraction equipment, and its purpose is to provide a geothermal energy heat extraction well. This geothermal energy heat extraction well can realize impurity cleaning, avoid internal blockage, and ensure the normal operation of the heat extraction well. The above-mentioned geothermal energy heat extraction well includes: a well body, a heat exchanger, a pipeline assembly and a descaling assembly. The heat exchanger is arranged in the well body, one end of which is located in the cavity of the well body, and the other end extends out of the well body; the pipeline assembly is arranged in the well body, including an inlet pipe and an outlet pipe, the inlet pipe extends into the cavity to supply cold water to the cavity, and the outlet pipe extends into the cavity to discharge hot water; the descaling assembly includes a rotating mechanism and a scraper mechanism, the rotating mechanism is arranged in the well body, and a plurality of scraper mechanisms are arranged on the rotating mechanism, and the rotating mechanism is used to drive the scraper mechanism to rotate to scrape off the dirt on the wall of the cavity. The present invention solves the problem that the geothermal energy heat extraction well in the prior art cannot clean the accumulated impurities, resulting in internal blockage, which affects the normal operation of the heat extraction well.
Description
Technical Field
The invention relates to the technical field of geothermal energy extraction equipment, in particular to a geothermal energy heat-taking well.
Background
Geothermal energy is natural thermal energy extracted from the crust, which comes from lava in the earth and exists in a thermal form, and the use of geothermal energy can contribute to sustainable energy supply, reduce the dependence on traditional energy and reduce the influence on the environment.
The simplest and most cost-effective way of geothermal energy is to take these heat sources directly and extract their energy. One of the modes of the development of the middle-deep geothermal energy is a non-interference geothermal mode. The mode is that the geothermal energy is extracted without taking water, one end of a heat exchanger of the geothermal energy heat-taking well is positioned at a deep thermal reservoir underground, the other end of the heat exchanger is positioned inside the heat-taking well, the heat exchanger circularly absorbs the geothermal energy through an internal medium and heats cold water sent into the well, and hot water carrying heat is returned to the ground for use, so that the extraction of the geothermal energy is completed. However, in the process of using the geothermal energy heat-collecting well for a long time, impurities carried by water flowing in the well can accumulate on the wall surface to form dirt, and the phenomenon of blockage in the pipeline can be caused when the dirt is serious, so that the normal operation of the heat-collecting well is affected.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that accumulated impurities cannot be cleaned by the geothermal energy heat-taking well in the prior art, so that the phenomenon of blockage occurs in the geothermal energy heat-taking well and the normal operation of the heat-taking well is influenced, so that the geothermal energy heat-taking well capable of cleaning the impurities, avoiding the internal blockage and ensuring the normal operation of the heat-taking well is provided.
In order to solve the above problems, the present invention provides a geothermal energy thermal well, comprising:
A well body having a cavity therein;
the heat exchanger is arranged on the well body, one end of the heat exchanger is positioned in the cavity, and the other end of the heat exchanger extends out of the outside of the well body;
The pipeline assembly is arranged on the well body and comprises a water inlet pipe and a water outlet pipe, one end of the water inlet pipe stretches into the cavity and is used for supplying cold water into the cavity, and one end of the water outlet pipe stretches into the cavity and is used for discharging hot water generated after the cold water is heated in the cavity;
The descaling assembly comprises a rotation mechanism and a scraping plate mechanism, wherein the rotation mechanism is arranged in the well body, the scraping plate mechanism is positioned in the cavity, a plurality of scraping plate mechanisms are arranged on the rotation mechanism, and the rotation mechanism is used for driving the scraping plate mechanism to rotate so as to scrape dirt on the wall surface of the cavity.
Optionally, the slewing mechanism comprises a driving piece and a rotating shaft, wherein the driving end of the driving piece is connected with the rotating shaft, and a plurality of scraping plate mechanisms are arranged on the rotating shaft around the circumference of the rotating shaft.
Optionally, the scraping plate mechanism comprises a connecting piece and a scraping plate, wherein one end of the connecting piece is connected with the rotating shaft, the scraping plate is arranged on the connecting piece, and water holes are formed in the scraping plate.
Optionally, the cavity comprises a heating cavity and a heat preservation cavity which are communicated, one end of the water inlet pipe stretches into the heating cavity, the heat exchanger and the scraping plate mechanism are both positioned in the heating cavity, and one end of the water outlet pipe stretches into the heat preservation cavity.
Optionally, the heating cavity with the heat preservation chamber is through drawing the mechanism intercommunication, draw the mechanism including set up in the first piece that draws water of well body, first the water inlet of drawing water the piece with the heating cavity intercommunication, the water outlet with the heat preservation chamber intercommunication.
Optionally, the drawing mechanism further comprises a radiating fin and a dust screen, wherein the radiating fin is arranged on the first water pumping piece, and the dust screen is arranged on the side wall of the well body and corresponds to the position of the radiating fin.
Optionally, the heat preservation chamber is provided with a heat preservation mechanism, and the heat preservation mechanism includes a heater.
Optionally, the heat preservation mechanism further comprises a rotating shaft and a mounting plate arranged on the rotating shaft, the rotating shaft is connected with the driving end of the driving piece, the heater is positioned in the mounting plate, and a water passing channel is arranged on the mounting plate.
Optionally, the pipeline assembly further comprises a second water pumping piece, the second water pumping piece is arranged on the well body, and a water inlet of the second water pumping piece is connected with the other end of the water outlet pipe.
Optionally, a vacuum cavity is arranged on the side wall of the well body.
The invention has the following advantages:
1. The geothermal energy heat-taking well comprises a well body, a heat exchanger, a pipeline assembly and a descaling assembly. The heat exchanger is arranged on the well body, one end of the heat exchanger is positioned in the cavity of the well body, the other end extends out of the well body. The pipeline assembly is arranged on the well body and comprises a water inlet pipe and a water outlet pipe, one end of the water inlet pipe stretches into the cavity to supply cold water into the cavity, and the heat exchanger absorbs geothermal energy and heats the cold water into hot water after the cold water enters the cavity. One end of the water outlet pipe also stretches into the cavity for discharging the hot water. The descaling assembly comprises a rotation mechanism and a scraping plate mechanism, the rotation mechanism is arranged on the well body, the plurality of scraping plate mechanisms are arranged on the rotation mechanism, the rotation mechanism drives the scraping plate mechanisms to rotate, and dirt on the wall surface of the cavity is scraped. The geothermal energy heat-taking well has a self-cleaning function by arranging the descaling assembly, dirt avoided by the well body can be scraped off by starting the descaling assembly after the geothermal energy heat-taking well is used for a period of time, and internal blockage is avoided.
2. The invention provides a geothermal energy heat-taking well, which comprises a driving piece and a rotating shaft, wherein the driving end of the driving piece is connected with the rotating shaft. The scraping plate mechanism comprises a connecting piece and a scraping plate, wherein one end of the connecting piece is connected with the rotating shaft, and the scraping plate is arranged on the connecting piece. The scraper scrapes dirt off the wall surface during rotation. And the scraping plate is provided with water holes, so that the water flow resistance in the rotation process of the scraping plate can be reduced. The descaling assembly is simple in structure, practical and reliable.
3. The geothermal energy heat-taking well provided by the invention comprises a heating cavity and a heat-preserving cavity which are communicated. The water inlet end of the first water pumping piece is communicated with the heating cavity, and the water outlet end is communicated with the heat preservation cavity. One end of the water inlet pipe extends into the heating cavity, the heat exchanger and the scraping plate mechanism are both positioned in the heating cavity, and one end of the water outlet pipe extends into the heat preservation cavity. The cold water enters the heating cavity for heating, and the heated hot water enters the heat preservation cavity again for storage, so that the hot water can be taken at any time in the later period.
4. The invention provides a geothermal energy heat-collecting well, which comprises a first water pumping piece, a radiating fin and a dustproof net, wherein the radiating fin is arranged on the first water pumping piece, and the dustproof net is arranged on the side wall of the well body and corresponds to the radiating fin. The first water pumping piece can be timely radiated through the radiating fin, and the first water pumping piece is prevented from being damaged due to overhigh continuous working temperature. The dust screen that sets up can provide the wind channel for the fin, and the circulation of air of being convenient for improves the radiating effect, can also prevent that the dust from carrying out in the well body.
5. The geothermal energy heat-taking well provided by the invention is provided with the heat-preserving mechanism, and the heat-preserving mechanism comprises a heater. The heater is used for carrying out heat preservation and heating on hot water, so that the water temperature is prevented from being reduced and unavailable.
6. The invention provides a geothermal energy heat-collecting well, which further comprises a rotating shaft and a mounting plate arranged on the rotating shaft, wherein the rotating shaft is connected with the driving end of a driving piece, a heater is positioned in the mounting plate, and a water passing channel is arranged on the mounting plate. The water passing channel is beneficial to accelerating the heat receiving quantity of the liquid, so that the heat receiving efficiency is improved.
7. The geothermal energy heat-taking well provided by the invention is characterized in that the side wall of the well body is provided with a vacuum cavity. The vacuum cavity can effectively reduce heat loss and loss in the well body, and improve the efficiency of geothermal energy extraction and utilization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a geothermal energy thermal well according to the present invention;
FIG. 2 is a cross-sectional view of a geothermal energy thermal well of the invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic view of a scraper mechanism in a geothermal energy thermal well according to the invention;
FIG. 5 is a schematic diagram of a thermal insulation mechanism in a geothermal energy thermal well according to the present invention.
Reference numerals illustrate:
1. The well body, 11, heating cavity, 12, heat preservation cavity, 13, vacuum cavity;
2. A heat exchanger;
31. a water inlet pipe, 32, a water outlet pipe, 33 and a second water pumping piece;
41. The device comprises a slewing mechanism 411, a driving piece 412, a rotating shaft 42, a scraping plate mechanism 421, a connecting piece 422 and a scraping plate;
5. the device comprises a drawing mechanism 51, a first water pumping piece 52, cooling fins 53 and a dust screen;
61. heater, 62, rotation axis, 63, mounting panel, 64, guiding gutter, 65, through-hole.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 and 2, a geothermal energy thermal well according to a preferred embodiment of the present invention is shown. The geothermal energy heat-collecting well comprises a well body 1, a heat exchanger 2, a pipeline assembly and a descaling assembly. The well body 1 is internally provided with a cavity which is a heat exchange area. The heat exchanger 2 is arranged in the well body 1, one end of the heat exchanger 2 is located in the cavity of the well body 1, the other end of the heat exchanger 2 extends out of the well body 1, the heat exchanger 2 is used for extracting geothermal energy, and the geothermal energy outside the well body 1 is extracted to the cavity for utilization. The pipe assembly is arranged on the well body 1 and comprises a water inlet pipe 31 and a water outlet pipe 32. One end of the water inlet pipe 31 extends into the cavity, and the other end is connected with an external water supply device for supplying cold water into the cavity. One end of the water outlet pipe 32 also extends into the cavity, but the other end is connected to a device that needs to use hot water for discharging the hot water heated by geothermal energy. Cold water enters the cavity through the water inlet pipe 31, the heat exchanger 2 absorbs geothermal energy and gradually heats the cold water into hot water, and the hot water is discharged through the water outlet pipe 32, so that the extraction and utilization of the geothermal energy are completed. The descaling assembly comprises a rotation mechanism 41 and a plurality of scraping plate mechanisms 42, wherein the rotation mechanism 41 is arranged on the well body 1, the scraping plate mechanisms 42 are positioned in the cavity, the scraping plate mechanisms 42 are arranged on the rotation mechanism 41, the rotation mechanism 41 can drive the scraping plate mechanisms 42 to rotate, and dirt on the wall surface of the cavity is scraped through the scraping plate 422 assembly. The self-cleaning function is achieved by arranging the descaling assembly, dirt on the wall surface of the cavity can be scraped by starting the descaling assembly after the geothermal energy heat-collecting well is used for a period of time, and the phenomenon that the interior is blocked due to accumulation of impurities is avoided.
Further, the cavity comprises a heating cavity 11 and a heat preservation cavity 12 which are communicated. As shown in fig. 2, the heating chamber 11 has a cylindrical upper half and a truncated cone-shaped lower half. One end of the water inlet pipe 31 extends into the heating chamber 11 to supply cold water to the heating chamber 11. The heat exchanger 2 and the scraper mechanism 42 are also positioned in the heating cavity 11, and the heat exchanger 2 is positioned in the upper half of the heating cavity 11, and the scraper mechanism 42 is positioned in the lower half of the heating cavity 11, so that the heating of cold water is completed in the heating cavity 11. The insulating chamber 12 is cylindrical in shape and one end of the water outlet pipe 32 extends into the insulating chamber 12. The heated hot water is discharged into the heat preservation cavity 12 from the heating cavity 11 for heat preservation and storage, and the hot water can be extracted from the heat preservation cavity 12 at any time when the water is used. Specifically, in this embodiment, the heat preservation chamber 12 is located directly above the heating chamber 11, and the water inlet pipe 31 passes through the heat preservation chamber 12 and then enters the heating chamber 11, so that cold water in the water inlet pipe 31 can be preheated by hot water in the heat preservation chamber 12. And the hot water in the heat preservation cavity 12 also preserves heat of the hot water flowing in the water outlet pipe 32, so that heat damage of the hot water flowing in the water outlet pipe 32 is reduced.
In other embodiments, the cavity may be a complete cavity, rather than being divided into the heating chamber 11 and the insulating chamber 12.
Furthermore, the side wall of the well body 1 is provided with a vacuum chamber 13. As shown in fig. 2, the vacuum cavity 13 surrounds the side wall of the well body 1, and the vacuum cavity 13 is arranged to reduce heat exchange between the inside and the outside of the well body 1, reduce heat loss and ensure higher geothermal energy extraction and utilization efficiency.
In other embodiments, the vacuum chamber 13 may not be provided, but a thermal insulation coating, thermal insulation board, or the like may be provided on the outer wall of the well body 1, and similar effects may be achieved.
The descaling assembly includes a swing mechanism 41 and a squeegee mechanism 42. The rotation mechanism 41 includes a driving member 411 and a rotating shaft 412, wherein a driving end of the driving member 411 is connected with the rotating shaft 412 to drive the rotating shaft 412 to rotate. The plurality of scraper mechanisms 42 are disposed on the rotating shaft 412 around the circumference of the rotating shaft 412, and when the driving member 411 drives the rotating shaft 412 to rotate, each scraper mechanism 42 can be synchronously driven to rotate. Specifically, in this embodiment, the driving member 411 is preferably a motor and is disposed on the top surface of the well 1. The scraper mechanisms 42 are provided in total in four numbers and are uniformly arranged along the circumferential direction of the rotating shaft 412.
Of course, in other embodiments, the number of squeegee mechanisms 42 can be two, three, six, etc.
Further, as shown in FIG. 4, the squeegee mechanism 42 includes a connecting member 421 and a squeegee 422. One end of the connecting member 421 is connected to the rotation shaft 412, that is, the connecting member 421 is disposed perpendicular to the rotation shaft 412. The scraper 422 is disposed on the connecting member 421, and water holes are formed in the scraper 422 to facilitate water flow, so as to reduce water resistance when the scraper 422 rotates. Specifically, in this embodiment, the connecting member 421 is a square rod, the scraper 422 is a trapezoid plate, and the long side of the scraper 422 is connected to the bottom end of the connecting member 421, and the oblique side is located at a side away from the rotating shaft 412. The trapezoidal scraper 422 is matched with the shape of the heating cavity 11, so that dirt can be removed better.
In other embodiments, the shape of the scraping plate 422 may also change with the shape of the heating chamber 11, for example, when the heating chamber 11 is cylindrical, the shape of the scraping plate 422 may also change to a square plate.
Further, a thermal insulation mechanism is provided in the thermal insulation chamber 12, and the thermal insulation mechanism includes a heater 61. The heat preservation is performed by starting the heater 61 to continuously heat the hot water, so that the hot water is prevented from being cooled down and cooled down when the heat preservation cavity 12 is stored.
Further, as shown in FIG. 5, the thermal insulation mechanism further includes a rotation shaft 62 and a mounting plate 63 provided on the rotation shaft 62. The rotary shaft 62 is connected to the driving end of the driving member 411, that is, the rotary shaft 62 and the rotary shaft 412 are coaxially connected to each other and driven by the driving member 411. The heater 61 is located in the mounting plate 63, and the mounting plate 63 is provided with a water passing channel, so that hot water can be conveniently heated and kept warm by contacting the water passing channel with the heater 61. Specifically, in the present embodiment, four mounting plates 63 on the rotation shaft 62 are also provided. And the water passage includes a diversion trench 64 provided on the adjacent side of the rotation shaft 62 and a through hole 65 provided on the side away from the rotation shaft 62. The circulation of hot water between the diversion trench 64 and the through hole 65 is beneficial to accelerating the heat receiving quantity, thereby improving the heat receiving efficiency.
In other embodiments, through holes 65 may be provided on each side of the mounting plate 63, or flow guide grooves 64 may be provided.
Of course, in other embodiments, a driving member 411 may be provided to separately drive the rotation shaft 62 to rotate.
Further, the heating chamber 11 and the heat-insulating chamber 12 are communicated through the drawing mechanism 5. As shown in fig. 3, the drawing mechanism 5 includes a first pumping member 51 disposed on the well 1, a water inlet end of the first pumping member 51 is communicated with the heating cavity 11, a water outlet end is communicated with the heat preservation cavity 12, and hot water in the heating cavity 11 can be pumped into the heat preservation cavity 12 through the first pumping member 51. Specifically, the first pumping member 51 is preferably a water pump.
The drawing mechanism 5 further includes a heat sink 52 and a dust screen 53. The heat sink 52 is arranged on the first water pumping member 51 in a fin shape and is used for radiating and cooling the first water pumping member 51, so that the first water pumping member 51 is prevented from being damaged due to excessively high heat productivity after long-time working. The dust screen 53 is provided on the side wall of the well 1 and corresponds to the position of the heat sink 52. The dust screen 53 provides a passage for air flow at the first pumping member 51, facilitates heat exchange with the heat sink 52, and prevents dust from entering the well 1.
The pipeline assembly comprises a second water pumping piece 33 besides the water inlet pipe 31 and the water outlet pipe 32, the second water pumping piece 33 is arranged on the well body 1, and a water inlet of the second water pumping piece 33 is connected with the other end of the water outlet pipe 32. The second pumping member 33 is preferably a water pump for pumping and utilizing the hot water in the heat-retaining chamber 12.
The following describes the working procedure of the geothermal energy thermal well according to this embodiment as follows:
Cold water is discharged into the heating chamber 11 through the water inlet pipe 31 and is heated to hot water by the heat exchanger 2. The first pumping member 51 is then activated to pump hot water into the holding chamber 12. The starting driving piece 411 drives the rotating shaft 62 to rotate, and synchronously starts the heater 61 to continuously heat and preserve the heat of the hot water in the heat preservation cavity 12. When the hot water is required to be used, the hot water in the heat-preserving chamber 12 is pumped out through the second pumping member 33 and supplied to the corresponding water device.
After the geothermal energy heat collecting well is continuously operated for a period of time, the driving member 411 may be started to control the rotation of the rotating shaft 412, and then the dirt accumulated on the wall surface of the heating chamber 11 is scraped off by the scraper 422.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (7)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410850869.9A CN118602605B (en) | 2024-06-27 | 2024-06-27 | A geothermal heat well |
| DE202024104223.9U DE202024104223U1 (en) | 2024-06-27 | 2024-07-26 | Geothermal heat extraction well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410850869.9A CN118602605B (en) | 2024-06-27 | 2024-06-27 | A geothermal heat well |
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| CN111609574A (en) * | 2019-02-25 | 2020-09-01 | 国家电投集团科学技术研究院有限公司 | Sustainable use of inter-seasonal geothermal energy development system |
| CN216522467U (en) * | 2021-09-23 | 2022-05-13 | 北京春浩新能源科技有限责任公司 | Compensation type shallow geothermal energy same-well conversion device of geothermal energy central air conditioner |
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| WO2013112900A2 (en) * | 2012-01-27 | 2013-08-01 | Deep Well Power, LLC | Single well, self-flowing geothermal system for energy extraction |
| CN110761857B (en) * | 2019-10-29 | 2024-08-16 | 青岛科技大学 | Geothermal ladder lifting device |
| CN219656355U (en) * | 2023-05-17 | 2023-09-08 | 黑龙江省生态地质调查研究院 | Geothermal resource heat taking well device |
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| CN111609574A (en) * | 2019-02-25 | 2020-09-01 | 国家电投集团科学技术研究院有限公司 | Sustainable use of inter-seasonal geothermal energy development system |
| CN216522467U (en) * | 2021-09-23 | 2022-05-13 | 北京春浩新能源科技有限责任公司 | Compensation type shallow geothermal energy same-well conversion device of geothermal energy central air conditioner |
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| DE202024104223U1 (en) | 2024-10-18 |
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